def __pow__(self, other):
res = _new_mpfr()
if isinstance(other, mpfr):
gmp.mpfr_pow(res, self._mpfr, other._mpfr, gmp.MPFR_RNDN)
elif isinstance(other, mpq):
# There is no mpfr_pow_q
gmp.mpfr_set_q(res, other._mpq, gmp.MPFR_RNDN)
gmp.mpfr_pow(res, self._mpfr, res, gmp.MPFR_RNDN)
elif isinstance(other, mpz):
gmp.mpfr_pow_z(res, self._mpfr, other._mpz, gmp.MPFR_RNDN)
elif isinstance(other, float):
# There is no mpfr_pow_d
gmp.mpfr_set_d(res, other, gmp.MPFR_RNDN)
gmp.mpfr_pow(res, self._mpfr, res, gmp.MPFR_RNDN)
elif isinstance(other, (int, long)):
if -sys.maxsize - 1 <= other <= sys.maxsize:
gmp.mpfr_pow_si(res, self._mpfr, other, gmp.MPFR_RNDN)
elif 0 <= other <= MAX_UI:
gmp.mpfr_pow_ui(res, self._mpfr, other, gmp.MPFR_RNDN)
else:
tmp_mpz = _new_mpz()
_pylong_to_mpz(other, tmp_mpz)
gmp.mpfr_pow_z(res, self._mpfr, tmp_mpz, gmp.MPFR_RNDN)
_del_mpz(tmp_mpz)
else:
return NotImplemented
return mpfr._from_c_mpfr(res)
def __rpow__(self, other):
res = _new_mpfr()
if isinstance(other, mpq):
# There is no mpfr_pow_q
gmp.mpfr_set_q(res, other._mpq, gmp.MPFR_RNDN)
gmp.mpfr_pow(res, res, self._mpfr, gmp.MPFR_RNDN)
elif isinstance(other, mpz):
# There is no mpfr_pow_z
gmp.mpfr_set_z(res, other._mpz, gmp.MPFR_RNDN)
gmp.mpfr_pow(res, res, self._mpfr, gmp.MPFR_RNDN)
elif isinstance(other, float):
# There is no mpfr_pow_d
gmp.mpfr_set_d(res, other, gmp.MPFR_RNDN)
gmp.mpfr_pow(res, res, self._mpfr, gmp.MPFR_RNDN)
elif isinstance(other, (int, long)):
# There is no mpfr_si_pow
_pyint_to_mpfr(other, res)
gmp.mpfr_pow(res, res, self._mpfr, gmp.MPFR_RNDN)
else:
return NotImplemented
return mpfr._from_c_mpfr(res)
